Home / 42,974.24-64,459.93-17,672.87

Finding the Fourth Proportional to 42,974.24, 64,459.93 and 17,672.87

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Solution

The fourth proportional to 42,974.24, 64,459.93 and 17,672.87 is: 26,508.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,974.24 : 64,459.93 = 17,672.87 : x
  2. Step 2: Convert to fraction form
    42,974.24/64,459.93 = 17,672.87/x
  3. Step 3: Cross multiply
    42,974.24x = 64,459.93 × 17,672.87
  4. Step 4: Simplify right side
    42,974.24x = 1,139,192,080.07
  5. Step 5: Solve for x
    x = 1,139,192,080.07/42,974.24
  6. Step 6: Final answer
    x = 26,508.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.